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Ernesto Valverde, Barcelona coach

Juve are a very powerful team and no one needs reminding how they knocked Barcelona out last season. They are strong at bringing the ball out and are excellent at pressing high up the pitch. When their attacking players connect, they really know how to create danger. This is a game between two of the most powerful teams in Europe.

Massimiliano Allegri, Juventus coach

Tomorrow will be a great game of football. I say that in football each season is different to the one before. The season is going to be long, and we have to take it step by step. We're not at our optimum physical state yet as we're just starting. The objective is to get to March and be in all three competitions. We have had some changes at Juve this season, but we have managed them well. Along with Madrid, [Barcelona] are favourites to win the Champions League.

I don't think Barcelona will encounter the same brick wall they ran into in the return leg of last season's quarter-final, as Juventus are still searching for their usual defensive stability after selling Leonardo Bonucci to AC Milan in the summer. With Paulo Dybala in such brilliant form, however, the Bianconeri could also trouble the Barcelona defensive line. I therefore expect something different to the goalless draw when these sides faced each other at the Camp Nou last term.